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RM3001   Hydroxilherderite with albite

Valle de Piauí, Taquaral, Itinga, Minas Gerais, Brazil

In this specimen we can observe numerous prismatic crystals of hydroxylherderite, an unusual calcium and beryllium hydroxylphosphate, with a very uniform beige color, very well defined faces and edges and with twinning. They are disposed on a matrix formed by albite crystals. The specimen is from the Piauí Valley, an area very rich in lithium-bearing pegmatites.


Size: 6.4 x 4.7 x 3.9 cm.
Main crystal: 1.4 cm.

 

RM2941   Elbaite and clevelandite

Lavra da Pederneira, São José da Safira, Doce valley, Minas Gerais, Brazil

Prismatic crystal of elbaite, with an intense green color, which shows a lighter green color on the upper flat face of the pinacoid when light passes through it. It is accompanied by clevelandite crystals. It comes from the Trigo collection.


Size: 2.3 x 2.2 x 1.9 cm.
Main crystal: 2 x 1.5 cm.

Col. Trigo (Mataró, Catalunya)
 

RM2940   Elbaite

Cruzeiro mine, São José da Safira, Minas Gerais, Brazil

Elbaite specimen of very good size and thickness, showing us the prisms with vertical striations and well-defined terminal faces. Highlights the brightness and a more intense green color at the top and lighter at the base. A gem from Minas Gerais. It belongs from the Trigo collection.


Size: 4.9 x 2.3 x 2.2 cm.
Found in ±1985.

Col. Trigo (Mataró, Catalunya)
Price: 140 €Buy
 

RM2867   Siderite with pyrrhotite and dolomite

Mina Morro Velho, Nova Lima, Minas Gerais, Brazil

A classic specimen from this Brazilian locality. Various flattened, almost lenticular, siderite crystals with a yellowish green color, on which a group of dolomite crystals stands out. In dolomite we see numerous pseudohexagonal pyrrhotite crystals, some included in the dolomite. We did not observe the presence of cubanite.


Size: 5.5 x 3.8 x 2.4 cm.
Found in ±1985.

Col. Manchion (Barcelona).


Price: 40 €Buy
 

RM2864   Tourmaline, var. Rubellite with lepidolite and quartz

Conselheiro Pena, Minas Gerais, Brazil

This old piece stands out for the size of the crystals and their color. The largest crystal presents the classic fractures, perpendicular to the main axis. The minor, with the terminal face. They are pieces that came out many years ago, around the 70s. This specimen also stands out for the label of Joan Montplet, a well-known mineral seller from Sant Celoni (Catalonia).


Size: 6.4 x 5.4 x 4.7 cm.
Main crystal: 4 x 1 cm.
Found in ±1970.

Col. Joan Astor (Barcelona). Adq. Joan Montplet (Sant Celoni).


 

RM2825   Columbite-(Fe), columbite-tantalite series

São José da Safira, Minas Gerais, Brazil

Floater crystal of columbite-(Fe), with a huge size for the species. We can observe numerous facets, some with striations, with brilliance. The specimen indicates "repaired" since a part (see photo) has been repositioned in its place, without affecting the quality. It is accompanied by minor lepidolite. Columbite specimens of this size are not common. We have analyzed the specimen and, in the attached diagram, we can see the results which indicate sample is in the columbite-(Fe) domain. Minor traces of Ti are present. We will send this results to the buyer. An exceptional piece.


Size: 8.6 x 6.2 x 3.5 cm.
Found in ±1970.

Col. F. Schweiger (Wien).
Analyzed specimen with report


Price: 650 €Buy
 

RM2812   Topaz and lepidolite

Virgem da Lapa, Minas Gerais, Brazil

Esthetic specimen formed by groups of lepidolite mica, bright and defined, on which we observe see a brilliant topaz crystal, slightly bluish and faceted, with excellent transparency. Uncommon on matrix. With old handwritten label.


Size: 5 x 4.5 x 3 cm.
Main crystal: 10 mm. top.
Found in ±1990.

Col. H.G. Hopper.


Price: 60 €Buy
 

RM2778   Quartz and lenticular siderite

Mina Morro Velho, Nova Lima, Minas Gerais, Brazil

A very aesthetic specimen from this classic Brazilian mine. Numerous aggregates of quartz crystals, with a very elongated prism, almost acicular, with well-defined terminal faces and exceptional luster and transparence. They form divergent aggregates on a siderite matrix, visible on the back, as lenticular crystals formed by flattened rhombohedra. Very aesthetic and huge size sample for this mine.


Size: 8.4 x 7.3 x 6.5 cm.

 

RM2707   Elbaite partially peudom. by lepidolite

Coronel Murta, Minas Gerais, Brazil

Very interesting specimen of elbaite that has been partially transformed into lepidolite. A Brazilian curiosity. It comes from the Joan Astor collection (Barcelona), with a handwritten and typewritten label.


Size: 5 x 2.9 x 2.6 cm.
Found in ± 1975.

Col. Joan Astor (Barcelona).


 

RM2588   Hyaline quartz with "phantom"

Gouveia, Minas Gerais, Brazil

A good size hyaline quartz crystal that shows an interior "ghost" that follows the geometry of the main one. Greenish in tone, probably due to a member of the mica group, fuchsite. These specimens are rare to see today.


Size: 5.7 x 2.2 x 1.6 cm.
Found in ±1985.

Col. A. Trigo, Mataró.


 

RM2587   Elbaite

Conselheiro Pena, Minas Gerais, Brazil

A very aesthetic miniature, but with an exceptional color variation. Between red, blue and green. A delicatessen from Brazil.


Size: 2.1 x 0.7 x 0.6 cm.

Col. A. Trigo, Mataró.
 

RM2586   Elbaite

Conselheiro Pena, Minas Gerais, Brazil

A very aesthetic miniature, but with an exceptional color variation. Between red, blue and green. A delicatessen from Brazil.


Size: 1.4 x 1 x 0.7 cm.

Col. A. Trigo, Mataró.
 

RM2527   Twinned Rutile

Diamantina, Minas Gerais, Brazil

Group of rutile crystals with a highly visible cyclic twin. A brilliant piece with years... From the Joan Astor collection.


Size: 2.7 x 2.3 x 1.9 cm.
Found in ca. 1980.

Col. Joan Astor (Barcelona).


 

RM2410   Hyaline quartz

Coronel Murta, Minas Gerais, Brazil

Group of very elongated quartz crystals, with developed prisms and well-defined rhombohedral terminal faces. Very transparent. Some faces of the prism show growth oriented cavities.


Size: 6.9 x 4.6 x 3.5 cm.
Main crystal: 6.9 x 1 cm.

Col. J. Astor (Barcelona).
 

RM2479   Childrenite

Córrego Frio mine, Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil

Elongated single crystal of orange-pink childrenite without matrix. Transparent to translucent, with brilliance and defined terminal faces and altered prism.Very unusual for the species. From the former A. Trigo collection (Mataró).


Size: 2.5 x 1.1 x 0.5 cm.
Found in ca. 1985.

Col. Antonio Trigo (Mataró).


 

RM2241   Elbaite

Cruzeiro mine, São José da Safira, Minas Gerais, Brazil

A very aesthetic miniature, but with an exceptional color variation. Between red, blue, green and yellow. A delicatessen from Brazil, referenced in Joan Astor's published work in issuu, that we recommend you visit and browse.


Size: 0.9 x 0.7 x 0.5 cm.
Found in ca. 1976.

Col. J. Astor (Barcelona). Adq. Lapidis.


 

RM2240   Elbaite

Lavra da Pederneira, São José da Safira, Doce valley, Minas Gerais, Brazil

Prismatic elbaite crystal, of an intense color, with the defined pinacoidal face truncating the prism. The label indicates that it comes from South Africa, but we are not aware that specimens like this have been found in this part of the world. A miniature gemmy piece.


Size: 1.2 x 0.6 x 0.6 cm.
Found in ca. 1973.

Col. J. Astor (Barcelona).


 

RM2239   Topaz

Virgem da Lapa, Minas Gerais, Brazil

A very interesting specimen of topaz, in which we can see striated faces on the prism, truncated by pinacoids, very unusual. Transparence, brilliance and with the handwritten label from the Astor collection indicating "negative" faces. This piece was adquired to the well-know Catalan dealer Jordi Figueras, one of the suppliers of the Folch collection.


Size: 4.5 x 3.4 x 2.5 cm.
Found in ca. 1978.

Col. J. Astor (Barcelona). Adq. J. Figueras.


Price: 100 €Reserved

 

RM2229   Elbaite

Golconda pegmatites, Governador Valadares, Minas Gerais, Brazil

Group of elbaite crystals, in parallel growth, with striated prismatic faces, deep green color and good luster. From the former Manchion collection, with the characteristic label.


Size: 5.4 x 2.6 x 2.4 cm.
Found in 1989.

Col. Manchion (Barcelona) #483.


Price: 70 €Buy
 

RM2223   Quartz with inclusions

Corinto, Minas Gerais, Brazil

Excellent specimen of a quartz crystal with inclusions. In this specimen we can see green and reddish inclusions, most likely due to growths of chlorite and iron oxides in the growing crystal. A very interesting and aesthetic piece. From the Joan Astor collection.


Size: 5.8 x 5.5 x 4.5 cm.
Found in ca. 1975.

Col. Joan Astor.


 

RM2222   Quartz with inclusions

Corinto, Minas Gerais, Brazil

Excellent specimen of a quartz crystal with geometric inclusions. In this specimen we can see green and reddish zonations, most likely due to growths of chlorite and iron oxides on the facets of the growing crystal. A very interesting and aesthetic piece. From the Joan Astor collection.


Size: 6.5 x 4 x 3 cm.
Found in ca. 1975.

Col. Joan Astor.


 

RM2168   Beryl aquamarine

Coronel Murta, Minas Gerais, Brazil

A good size beryl crystal, aquamarine variety, from those of oldtimes. It shows the faces of the hexagonal prism and terminal flat pinacoid. From the Manchion collection (Barcelona).


Size: 8.8 x 4.4 x 3.4 cm.
Found in 1988.

#279 Col. Manchion (Barcelona).


 

RM2020   Hydroxylherderite with muscovite and albite

Córrego Frio mine, Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil

A classic old-time specimen of hydroxylherderite, well crystallized, with sharp translucent idiomorphic monoclinic crystals. Lustrous and with a greenish-yellow tone. Associated with albite and muscovite from the Golconda pegmatite in Brazil. From Manchion Collection, purchased to Dr. Joan Viñals. Previously misidentified as herderite.


Size: 5.5 x 4.2 x 2.7 cm.
Found in ±1987.

Col. Manchion #364, J. Viñals 04/1987,
 

RM1996   Lepidolite

Golconda pegmatites, Governador Valadares, Minas Gerais, Brazil

Good sized rounded, globular crystals of lilac-pink lepidolite. This formation is also known as ball-peen lepidolite after the resemblance to the round end of a ball-peen hammer. Lepidolite is a Li-rich member of the series between polylithionite and trilithionite. A very aesthetic specimen from Manchion Collection.


Size: 9.4 x 9.2 x 8.2 cm.
Found in ±1991.

Col. Manchion #610.
 

RM2000   Hydroxylerderite with muscovite and albite

Córrego Frio mine, Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil

A classic old-time specimen of hydroxylherderite, well crystallized, with sharp translucent idiomorphic monoclinic crystals. Lustrous and with a greenish-yellow tone. Associated with albite and muscovite from the Golconda pegmatite in Brazil. From Manchion Col., purchased in 1987 to Dr. Joan Viñals. Previously misidentified as herderite. Previamente mal identificada como herderita.


Size: 6.5 x 4.3 x 4.2 cm.
Main crystal: 3 mm
Found in 1987.

Col. Manchion #354, J. Viñals 04/1987,
 
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